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Re: [Xen-users] Migration by copying files/folder

To: howard chen <howachen@xxxxxxxxx>
Subject: Re: [Xen-users] Migration by copying files/folder
From: Fabian Zimmermann <xen-users@xxxxxxxxxxxxxxxxx>
Date: Tue, 23 Jun 2009 19:34:24 +0200
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Hi howard chen,
If I rsync the following folders from one guest to another guest for
complete system migration, is it safe?
p.s. I cannot use live migration or other tools since I don't have
control to the host. I can only control the guest.
worst option - online:
It's possible, but you will not get consistent data.

better option - lvm:
Install LVM on both guests, create a snapshot of src-guest and copy the data to dst-guest.
Pro: + consistent data (ok, maybe you should shutdown dbs..)
Con: - you will loose every change between snapshot-creation and transfer-finished.

best option - offline:
I would shutdown both guests and start the sync (may you can boot a rescue-system?)

Maybe it helps,


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